Loudspeaker device



FIG. 1 is a perspective view of a loudspeaker device in accordance with the present design;

FIG. 2 is a front view of the loudspeaker device shown in FIG. 1;

FIG. 3 is a rear view of the loudspeaker device shown in FIG. 1;

FIG. 4 is a top view of the loudspeaker device shown in FIG. 1;

FIG. 5 is a bottom view of the loudspeaker device shown in FIG. 1;

FIG. 6 is a left side view of the loudspeaker device shown in FIG. 1; and,

FIG. 7 is a right side view of the loudspeaker device shown in FIG. 1. 

The ornamental design for a loudspeaker device, substantially as shown and described. 